DE20310026U1 - Magnetically-operated cylinder switch for monitoring hydraulic actuator has magnetic field sensor on circuit board in housing, arranged in direction of polar axis of magnetic field from piston magnet - Google Patents

Magnetically-operated cylinder switch for monitoring hydraulic actuator has magnetic field sensor on circuit board in housing, arranged in direction of polar axis of magnetic field from piston magnet

Info

Publication number
DE20310026U1
DE20310026U1 DE20310026U DE20310026U DE20310026U1 DE 20310026 U1 DE20310026 U1 DE 20310026U1 DE 20310026 U DE20310026 U DE 20310026U DE 20310026 U DE20310026 U DE 20310026U DE 20310026 U1 DE20310026 U1 DE 20310026U1
Authority
DE
Germany
Prior art keywords
magnetic field
sensor
circuit board
field sensor
cylinder switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE20310026U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BETA PRODUKT GmbH
Original Assignee
BETA PRODUKT GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BETA PRODUKT GmbH filed Critical BETA PRODUKT GmbH
Priority to DE20310026U priority Critical patent/DE20310026U1/en
Publication of DE20310026U1 publication Critical patent/DE20310026U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

A permanent magnet is arranged on the working piston of the actuator. A magnetic field sensor (3) is arranged in the inner region of a sensor housing (1) in the direction of the polar axis of a radially-oriented magnetic field of the piston, and on a printed circuit board (2).

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (3)

1. Magnetisch betätigter Zylinderschalter, insbesondere zur Überwachung hydraulischer Stellorgane, mit einem von einem axial beweglichen Arbeitskolben getragenen Permanentmagneten zur Beeinflussung eines Magnetfeldsensors (3) durch die nicht magnetische Außenwandung eines Druckzylinders, dadurch gekennzeichnet, daß der Magnetfeldsensor (3) im innengelegenen Abmessungsbereich eines hülsenförmigen Sensorgehäuses (1) auf einer im montierten Zustand des Sensors in Richtung der Polachse eines radial orientierten Kolbenmagnetfeldes weisenden Abwinklung an der als Trägerplatine für die gedruckte Sensorschaltung dienenden Leiterplatte (2) angeordnet ist.1. Magnetically actuated cylinder switch, in particular for monitoring hydraulic actuators, with a permanent magnet carried by an axially movable working piston for influencing a magnetic field sensor ( 3 ) through the non-magnetic outer wall of a pressure cylinder, characterized in that the magnetic field sensor ( 3 ) has a sleeve-shaped inside dimension Sensor housing ( 1 ) is arranged on an angled portion pointing in the assembled state of the sensor in the direction of the polar axis of a radially oriented piston magnetic field on the printed circuit board ( 2 ) serving as a carrier board for the printed sensor circuit. 2. Magnetisch betätigter Zylinderschalter nach Anspruch 1, dadurch gekennzeichnet, daß die Abwinklung als Träger für den Magnetfeldsensor (3) an der Leiterplatte (2) im Bereich zwischen den elektronischen Bauelementen der Sensorschaltung angeordnet ist.2. Magnetically actuated cylinder switch according to claim 1, characterized in that the bend is arranged as a carrier for the magnetic field sensor ( 3 ) on the circuit board ( 2 ) in the area between the electronic components of the sensor circuit. 3. Magnetisch betätigter Zylinderschalter nach Anspruch 1 oder 2, gekennzeichnet durch einen Magnetfeldsensor (3) in Form der Schwingkreisspule eines HF-Oszillators, einer Hallsonde, eines magnetoresistiven Sensors oder einfach als Schutzrohrkontakt.3. Magnetically actuated cylinder switch according to claim 1 or 2, characterized by a magnetic field sensor ( 3 ) in the form of the oscillating circuit coil of an RF oscillator, a Hall probe, a magnetoresistive sensor or simply as a protective tube contact.
DE20310026U 2003-06-28 2003-06-28 Magnetically-operated cylinder switch for monitoring hydraulic actuator has magnetic field sensor on circuit board in housing, arranged in direction of polar axis of magnetic field from piston magnet Expired - Lifetime DE20310026U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20310026U DE20310026U1 (en) 2003-06-28 2003-06-28 Magnetically-operated cylinder switch for monitoring hydraulic actuator has magnetic field sensor on circuit board in housing, arranged in direction of polar axis of magnetic field from piston magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20310026U DE20310026U1 (en) 2003-06-28 2003-06-28 Magnetically-operated cylinder switch for monitoring hydraulic actuator has magnetic field sensor on circuit board in housing, arranged in direction of polar axis of magnetic field from piston magnet

Publications (1)

Publication Number Publication Date
DE20310026U1 true DE20310026U1 (en) 2003-10-23

Family

ID=29285881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20310026U Expired - Lifetime DE20310026U1 (en) 2003-06-28 2003-06-28 Magnetically-operated cylinder switch for monitoring hydraulic actuator has magnetic field sensor on circuit board in housing, arranged in direction of polar axis of magnetic field from piston magnet

Country Status (1)

Country Link
DE (1) DE20310026U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014223884A1 (en) * 2014-11-24 2016-05-25 Micro-Epsilon Messtechnik Gmbh & Co. Kg Sensor arrangement and method for determining a position and / or a position change of a measurement object

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69000218T2 (en) * 1989-09-05 1993-03-25 Philippe Robert Louis Roudaut PISTON-CYLINDER UNIT WITH A DEVICE FOR DETERMINING AND CONFIRMING THE PISTON POSITION.
DE19523322C2 (en) * 1995-06-20 1999-03-04 Mitsubishi Electric Corp Rotary sensor device and associated manufacturing method
DE19743541C2 (en) * 1997-02-25 2000-02-24 Mitsubishi Electric Corp Magnetic field sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69000218T2 (en) * 1989-09-05 1993-03-25 Philippe Robert Louis Roudaut PISTON-CYLINDER UNIT WITH A DEVICE FOR DETERMINING AND CONFIRMING THE PISTON POSITION.
DE19523322C2 (en) * 1995-06-20 1999-03-04 Mitsubishi Electric Corp Rotary sensor device and associated manufacturing method
DE19743541C2 (en) * 1997-02-25 2000-02-24 Mitsubishi Electric Corp Magnetic field sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014223884A1 (en) * 2014-11-24 2016-05-25 Micro-Epsilon Messtechnik Gmbh & Co. Kg Sensor arrangement and method for determining a position and / or a position change of a measurement object
US10502591B2 (en) 2014-11-24 2019-12-10 Micro-Epsilon Messtechnik Gmbh & Co. Kg Sensor arrangement and method for determining a position and/or a change in the position of a measurement object

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20031127

R156 Lapse of ip right after 3 years

Effective date: 20070103